Which is the No 1 polluted city in world?

There isn't one single "No. 1" most polluted city as rankings change daily, but cities in India (like Delhi, Hapur, Byrnihat, Ghaziabad) and Pakistan (Lahore, Dera Ismail Khan), along with Chad (N'Djamena) and Bangladesh (Dhaka), consistently rank among the world's most polluted due to high PM2.5 levels from traffic, industry, construction, and crop burning, with reports showing extreme concentrations. India often leads in overall national pollution, while specific cities experience peak hazardous conditions.

What are the top 10 most polluted cities?

The top 10 most polluted cities globally are dominated by locations in South Asia, particularly India, Pakistan, and Bangladesh, with cities like Lahore (Pakistan), New Delhi (India), and Dhaka (Bangladesh) frequently topping lists for poor air quality (PM2.5), though real-time rankings vary, often showing Indian cities like Mainpuri, Greater Noida, and Bhiwadi with extremely high, hazardous levels. 

What is the top 10 most polluted country?

Based on recent 2024 data, the world's most polluted countries by PM2.5 (fine particulate matter) include Chad, Bangladesh, Pakistan, and the Democratic Republic of the Congo, with India also consistently high on the list, facing severe air quality issues from sources like sandstorms, industrial emissions, and fossil fuel burning, though rankings can shift slightly depending on the specific report.
 

Which is the no. 1 cleanest city in the world?

Copenhagen, Denmark: The cleanest city on the planet

Currently, the energy mix exceeds 30%, and it is expected to achieve energy independence by 2050. Notable features: Bicycle implementation: Copenhagen has 700,000 bicycles. 62% of its citizens use them.

Which US city is the cleanest?

There's no single "cleanest" city, as rankings vary by metric (air quality, litter, green initiatives), but Honolulu, Hawaii, often leads for excellent air quality and environmental focus, while cities like Portland, OR, and Seattle, WA, score high for air, water, and public services, and Casper, WY, also ranks highly for clean air by the American Lung Association. Other top contenders often cited include Bozeman, MT, Bangor, ME, and sometimes Long Beach, CA, depending on the study's criteria. 

Visiting the MOST AIR POLLUTED CITY in the World (Dust Hell)

What is the US ranked in pollution?

Looking back at the figures from 2020 on the IQAir website the US obtained an overall ranking of 84 out of a total of 106 world cities. The average annual figure was US AQI 40, in comparison to Bangladesh which was the most polluted country with a US AQI figure of 162.

Which is the no. 1 cleanest country in the world?

According to the 2024 Environmental Performance Index (EPI), Estonia is the cleanest country, scoring highest for protecting human health and ecosystems, followed closely by Luxembourg and Germany, with Finland and Denmark also ranking top for their strong environmental policies, clean air, and water. Different rankings highlight specific strengths, but generally, European nations dominate the top spots due to effective waste management, renewable energy use, and low pollution.
 

Which city is the most polluted in the world 2025?

Real-time 100 Most Polluted Cities in The World 2025 Live

• Mainpuri, India. 929. Hazardous.
• Greater Noida, India. 873. Hazardous.
• Khairabad, India. 730. Hazardous.
• Noida, India. 730. Hazardous.
• Aligarh, India. 706. Hazardous.
• Varanasi, India. 703. Hazardous.
• Khurja, India. 696. Hazardous.
• Ghaziabad, India. 688. Hazardous.

Which US city has the worst air quality?

Los Angeles air pollution

Los Angeles has the most contaminated air in the country.

What is the dirtiest place in the world?

There isn't one single "dirtiest place," but cities in South Asia, particularly India and Pakistan, consistently rank highest for severe air pollution (PM2.5), with places like Lahore, Delhi, and various Indian towns frequently topping lists due to industrial emissions, vehicle exhaust, and crop burning. These cities face extreme smog, respiratory issues, and overflowing landfills, making them contenders for the dirtiest due to overall contamination and unhealthy air.
 

What country has the best air quality?

Countries with the best air quality consistently include Iceland, Finland, New Zealand, Australia, Estonia, and Mauritius, often meeting World Health Organization (WHO) guidelines for fine particulate matter (PM2.5) due to factors like vast forests, strong regulations, and low industrial pollution, though smaller island nations like Bahamas, Bermuda, and French Polynesia sometimes top lists for ultra-low concentrations. 

What are the 10 most polluted cities?

The top 10 most polluted cities globally are dominated by locations in South Asia, particularly India, Pakistan, and Bangladesh, with cities like Lahore (Pakistan), New Delhi (India), and Dhaka (Bangladesh) frequently topping lists for poor air quality (PM2.5), though real-time rankings vary, often showing Indian cities like Mainpuri, Greater Noida, and Bhiwadi with extremely high, hazardous levels. 

Which country capital is the most polluted?

The most polluted capital cities in the world

The most polluted capital city is Delhi in India with an average PM2. 5 concentration of 91.8 µg/m³ (remember the WHO guideline limit is 5.0 µg/m³.)

What is the no. 1 dirtiest country in the world?

While rankings vary by data source, Chad and Bangladesh consistently rank as the world's dirtiest or most air-polluted countries in recent reports (2024/2025), primarily due to extremely high PM2.5 levels from dust, burning, and industry, with Pakistan and the DRC often following closely. Different metrics exist, but Chad led in PM2.5 concentrations in 2024, while Bangladesh often tops other reports based on similar metrics or being a consistent leader. 

What is the cleanest state in the US?

Hawaii is consistently ranked as the cleanest state due to its exceptional air quality, clean water, and natural environment, often followed by states like Vermont, Massachusetts, and Alaska, with rankings varying slightly depending on the criteria (air, water, recycling, etc.) used in different studies. 

What is U.S. number 1 in?

The U.S. ranks #1 globally in several key areas, including military spending, having the world's largest economy (GDP), and leading in medical research, while also ranking high in metrics like entrepreneurship, innovation (aerospace/movies), and charitable giving, though it also leads in some negative categories like incarceration rates and firearm homicides relative to other wealthy nations. 

What state has the best water?

There isn't one single state with the "best" water, as it depends on the metric (violations, taste, source), but Hawaii, Massachusetts, and Tennessee consistently rank high for drinking water quality based on few violations, while states like Washington, New Hampshire, and South Dakota are praised for strict standards or customer satisfaction, with some sources also highlighting strong performers like Minnesota and Nebraska. 

Which city has the best air quality?

As of 9am on Nov 26, as per aqi.in, here are the 5 Indian cities breathing the cleanest air right now.

• Shillong AQI: 39. Shillong, Meghalayadippy singh / 500px / Getty Images.
• Jammu AQI: 39. Jammu, Jammu and KashmirTilak Haria / Getty Images.
• Darjeeling AQI: 44. ...
• Ooty AQI: 50. ...
• Gangtok AQI: 50.

Which is the no. 1 richest city in the world?

1. New York City, United States

• Millionaires: 384,500.
• Centi-millionaires: 818.
• Billionaires: 66.
• Millionaire growth: 45%

What is the happiest city in the United States?

While "happiest" is subjective, recent 2025 studies, particularly WalletHub's report, consistently rank Fremont, California, as the happiest U.S. city, citing high income, strong emotional well-being, low depression rates, and high life satisfaction, followed by other California cities like San Jose and Irvine, with Plano, TX also noted for happiness factors like high marriage rates and safety. 

What country has the best life?

Top Countries with High Quality of Life

• Luxembourg.
• The Netherlands.
• Denmark.
• Oman.
• Switzerland.
• Finland.
• Norway.
• Iceland.